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	<head>
		<meta charset="utf-8">
		<title>8-封装一个函数返回年月日时分秒</title>
	</head>
	<body>
		<script type="text/javascript">
			function ymdhis(){
				//实例化日期对象(构造函数,需要借助关键字new去实例化)
				var date = new Date();
				//获取年
				var year = date.getFullYear();
				//获取月份[0,11]
				var month = date.getMonth()+1;
				//获取哪一天
				var day = date.getDate();
				
				console.log(year+'='+month+'='+day);
				//星期几？
				var weeks = ['星期天','星期一','星期二','星期三','星期四','星期五','星期六'];
				var week = weeks[date.getDay()];
				console.log(week);
				
				var ymd = year+'年'+month+'月'+day+'日'+week;
				
				//时分秒
				var h = date.getHours();
				h = h<10 ? '0'+h : h;
				var i = date.getMinutes();
				i = i<10 ? '0'+i : i;
				var s = date.getSeconds();
				s = s<10 ? '0'+s : s;
				
				var his = h+'时'+i+'分'+s+'秒';
				
				return ymd+his;
			}
			
			var x = ymdhis();
			console.log(x);
		</script>
	</body>
</html>
